Hyūga, named for Hyūga Province in Kyūshū, was an Ise-class battleship of the Imperial Japanese Navy laid down by Mitsubishi on May 6th, 1915, launched on January 27th, 1917, and completed on 30 April 1918.

The Sen Toku I-400-class submarines of the Imperial Japanese Navy were the largest submarines of World War II, and remained the largest ever built prior to the development of nuclear ballistic missile submarines in the 1960s.

Nagato, named for Nagato Province, was a dreadnought battleship built for the Imperial Japanese Navy (IJN) during the 1910s. The lead ship of her class, she carried supplies for the survivors of the Great Kantō earthquake in 1923.

The Yamato class battleships were battleships of the Imperial Japanese Navy (IJN) constructed and operated during World War II. Displacing 72,000 long tons (73,000 t) at full-load, the vessels of the class were the largest, heaviest, and most heavily-armed battleships ever constructed.

Akagi (Japanese: "Red Castle") was an aircraft carrier of the Imperial Japanese Navy (IJN), named after Mount Akagi in present-day Gunma Prefecture. Though she was laid down as an Amagi-class battlecruiser, Akagi was converted to an aircraft carrier while still under construction to comply with the terms of the Washington Naval Treaty.

Taihō was an aircraft carrier of the Imperial Japanese Navy during World War II. Possessing heavy belt armor and featuring an armored flight deck (a first for any Japanese carrier), she represented a major departure in Japanese carrier design and was expected to not only survive multiple bomb, torpedo or shell hits but also continue fighting effectively. Her name means "Great Phoenix".

Taihō was an aircraft carrier of the Imperial Japanese Navy during World War II. Possessing heavy belt armor and featuring an armored flight deck (a first for any Japanese carrier), she represented a major departure in Japanese carrier design and was expected to not only survive multiple bomb, torpedo or shell hits but also continue fighting effectively. Her name means "Great Phoenix".

Akagi (Japanese: "Red Castle") was an aircraft carrier of the Imperial Japanese Navy (IJN), named after Mount Akagi in present-day Gunma Prefecture. Though she was laid down as an Amagi-class battlecruiser, Akagi was converted to an aircraft carrier while still under construction to comply with the terms of the Washington Naval Treaty.

Hiryū ("Flying Dragon") was an aircraft carrier built for the Imperial Japanese Navy (IJN) during the 1930s. The only ship of her class, she was built to a modified Sōryū design. Her aircraft supported the Japanese invasion of French Indochina in mid-1940.

Jun'yo (meaning "peregrine falcon") was a Hiyo-class aircraft carrier of the Imperial Japanese Navy. She was laid down at Nagasaki as the passenger liner Kashiwara Maru, but was purchased by the Japanese Navy in 1941 and converted to an aircraft carrier.

Ise was the lead ship of the two-vessel Ise-class battleship of the Imperial Japanese Navy, which saw combat service during the Pacific War. Ise was named after Ise Province, one of the traditional provinces of Japan, now part of Mie Prefecture.

Mikasa is a pre-dreadnought battleship built for the Imperial Japanese Navy (IJN) in the late 1890s, and was the only ship of her class. The ship served as the flagship of Admiral Togo Heihachiro throughout the Russo-Japanese War of 1904 - 1905, including the Battle of Port Arthur on the second day of the war and the Battles of the Yellow Sea and Tsushima.

Fuso (a classical name for Japan) was the lead ship of the two Fuso-class dreadnought battleships built for the Imperial Japanese Navy. Launched in 1914 and commissioned in 1915, she initially patrolled off the coast of China, playing no part in World War I. In 1923, she assisted survivors of the Great Kanto Earthquake.

Chokai was a Takao-class heavy cruiser, armed with ten 8-inch (200 mm) guns, four 4.7-inch (120 mm) guns, eight tubes for the Type 93 torpedo, and assorted anti-aircraft guns. Chōkai was designed with the Imperial Japanese Navy strategy of the great "Decisive Battle" in mind, and built in 1932 by Mitsubishi's shipyard in Nagasaki.

Katori was the lead ship of the Katori class of three light cruisers which served with the Imperial Japanese Navy during World War II. It is named after the noted Shinto Katori Shrine in Chiba prefecture, Japan.

Kongō ("indestructible", named for Mount Kongō) was a warship of the Imperial Japanese Navy during World War I and World War II. She was the first battlecruiser of the Kongō class, among the most heavily armed ships in any navy when built.

Kirishima was a warship of the Imperial Japanese Navy during World War I and World War II. Designed by British naval engineer George Thurston, she was the third launched of the four Kongo-class battlecruisers, among the most heavily armed ships in any navy when built.

Haruna named after Mount Haruna, was a warship of the Imperial Japanese Navy during World War I and World War II. Designed by the British naval engineer George Thurston, she was the fourth and last battlecruiser of the Kongō class, amongst the most heavily armed ships in any navy when built.

Hyūga, named for Hyūga Province in Kyūshū, was an Ise-class battleship of the Imperial Japanese Navy laid down by Mitsubishi on May 6th, 1915, launched on January 27th, 1917, and completed on 30 April 1918.

Mutsu named after Mutsu Province, was a dreadnought battleship built for the Imperial Japanese Navy (IJN) at the end of World War I. She was the second ship of the Nagato class. In 1923, a year after commissioning, she carried supplies for the survivors of the Great Kantō earthquake.

Shōkaku ("Soaring Crane") was an aircraft carrier of the Imperial Japanese Navy, the lead ship of her class. Along with her sister ship Zuikaku, she took part in several key naval battles during the Pacific War, including the attack on Pearl Harbor, the Battle of the Coral Sea and the Battle of the Santa Cruz Islands before being torpedoed and sunk by an American submarine at the Battle of the Philippine Sea

IJN Aoba was the lead ship in the two-vessel Aoba-class of heavy cruisers in the Imperial Japanese Navy. Launched in 1926 and heavily modernized in 1938-40, she displaced 8,300 tons (standard, 9,000 final), was 185.17 meters long, and carried a main battery of six 20 cm/50 3rd Year Type naval guns in three double turrets, two forward and one aft.

Myōkō was the lead ship of the four-member Myōkō class of heavy cruisers of the Imperial Japanese Navy, which were active in World War II. She was named after Mount Myōkō in Niigata Prefecture.The other ships of the class were Nachi, Ashigara, and Haguro.

The Ryuho ("Dragon phoenix") was a Japanese light aircraft carrier. Sole ship of her class, she was converted from a submarine tender. During World War II she operated mainly as an aircraft transport but did participate in the First Battle of the Philippine Sea.

IJN Tone was the lead ship in the two-vessel Tone-class of heavy cruisers in the Imperial Japanese Navy. It was named after the Tone River, in the Kantō region of Japan and was completed on 20 November 1938 at Mitsubishi's Nagasaki shipyards.

The four Agano-class cruisers were light cruisers operated by the Imperial Japanese Navy. All were named after Japanese rivers. Larger than these previous Japanese light cruisers, the Agano-class vessels were fast, but with little protection, and were under-gunned for their size. They participated in numerous actions during World War II.

Zuiho ("Auspicious Phoenix" or "Fortunate Phoenix") was a light aircraft carrier of the Imperial Japanese Navy. Originally laid down as the submarine support ship Takasaki, she was renamed and converted while under construction into an aircraft carrier.